﻿#region Copyright

// The contents of this file are subject to the Mozilla Public License
//  Version 1.1 (the "License"); you may not use this file except in compliance
//  with the License. You may obtain a copy of the License at
//  
//  http://www.mozilla.org/MPL/
//  
//  Software distributed under the License is distributed on an "AS IS"
//  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
//  License for the specific language governing rights and limitations under 
//  the License.
//  
//  The Initial Developer of the Original Code is Robert Smyth.
//  Portions created by Robert Smyth are Copyright (C) 2008.
//  
//  All Rights Reserved.

#endregion

using System;
using System.Diagnostics;
using NUnitGrid.Framework;
using NUnitGrid.Framework.Logging;
using NUnitGrid.Framework.Plugins;
using NUnitGrid.Framework.UI;


namespace NUnitGrid.GridClient.Plugins.GridClient.UI.RunTime
{
    public class RunTimeElementPlugin : IRunSessionListener, IUIChildPlugin, IScheduledEventListener
    {
        private readonly ILabelView labelView;
        private readonly ILogger logger;
        private readonly ISchedule schedule;
        private readonly Stopwatch stopwatch = new Stopwatch();

        public RunTimeElementPlugin(ILabelView labelView, ISchedule schedule, ILogger logger)
        {
            this.labelView = labelView;
            this.schedule = schedule;
            this.logger = logger;
        }

        void IRunSessionListener.OnStarted()
        {
            stopwatch.Reset();
            stopwatch.Start();
        }

        void IRunSessionListener.OnStopping()
        {
        }

        void IRunSessionListener.OnMesssage(string format, params object[] args)
        {
        }

        void IRunSessionListener.OnTaskCompleted(string fixture, bool succeeded, string nodeMachineName, string output)
        {
        }

        void IRunSessionListener.OnCompleted(int passedCount, int failedCount, bool taskError)
        {
            stopwatch.Stop();
            logger.Info.Write("Session time: {0}", stopwatch.Elapsed);
        }

        void IScheduledEventListener.OnEventFired()
        {
            var elapsed = stopwatch.Elapsed;
            labelView.SetText(string.Format("Run time: {0:00}:{1:00}", elapsed.Minutes, elapsed.Seconds));
            schedule.AddEvent(this, TimeSpan.FromSeconds(0.5));
        }

        void IUIChildPlugin.Start(IHostView hostView)
        {
            hostView.AddChild(labelView);
            labelView.SetText("");
            schedule.AddEvent(this, TimeSpan.FromSeconds(0.5));
        }

        void IUIChildPlugin.Stop(IHostView view)
        {
            schedule.RemoveEventsFor(this);
        }
    }
}